Home / 1,661,338.75-2,292,648.40-897,392.32

Finding the Fourth Proportional to 1,661,338.75, 2,292,648.40 and 897,392.32

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Solution

The fourth proportional to 1,661,338.75, 2,292,648.40 and 897,392.32 is: 1,238,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,338.75 : 2,292,648.40 = 897,392.32 : x
  2. Step 2: Convert to fraction form
    1,661,338.75/2,292,648.40 = 897,392.32/x
  3. Step 3: Cross multiply
    1,661,338.75x = 2,292,648.40 × 897,392.32
  4. Step 4: Simplify right side
    1,661,338.75x = 2,057,405,066,620.29
  5. Step 5: Solve for x
    x = 2,057,405,066,620.29/1,661,338.75
  6. Step 6: Final answer
    x = 1,238,401.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.